html,body{
	display: flex;
	flex-direction: column;
	height: 100vh;
	width:100vw;
	overflow-x: hidden;
}
#main_footer,footer{
	border:1px solid #ccc;
}

#main_header{
	background-color:#FF8C00;
	height: 30px;
	top:0px;
	width:100vw;
	position:absolute;
	top:0;
}

footer{
	height: 30px;
	background-color:#FF8C00;
	width:100vw;
	position:absolute;
	bottom:0;
}
article{
	flex-grow: 1;
	display: flex;
	flex-direction: row;
	width:80vw;
	margin:0px auto;
}
section{
	flex-grow: 1;
	margin:5px 10px;
}
#main_menu{
	margin:35px auto 0 auto;
	height: 30px;
	width:80vw;
}
#main_nav{
	width:160px;
	margin:5px 0px;
}

aside{
	width:220px;
	margin:5px 0px;
}

ul{
	padding: 0px;
	margin:0px;
}
ol{
	padding: 0px;
	margin:0px 2px;	
}
ul li{
	list-style: none;
}
ol li{
	list-style-position: inside;
}
#menu_ul{
	margin:0px auto;
}
.menu_level1_li{
	float:left;
	width:80px;
	text-align: center;
	border-right:1px solid crimson;
	border-collapse: collapse;
}
.menu_level1_li:first-of-type{
		border-left:1px solid crimson;
}
h1{
	text-align: center;
}
.level1_li{
	border:1px solid #ccc;
	padding-left: 10px;
	font:12px/20px "微软雅黑";
	cursor:pointer;
	background-color:darkorange;
	color:white;
}
.level2_li{
	padding-left: 10px;
}
ul a:link,ul a:hover,ul a:active,ul a:visited{
	text-decoration: none;
	color:black;
	cursor:pointer;
}
td a:link,td a:hover,td a:active,td a:visited{
	text-decoration: none;
	color:black;
	cursor:pointer;
}

.level2_li:hover{
	background-color:aqua;
}
dl:hover{
	background-color:beige;
	
}
#document_content table{
	border-collapse:separate; border-spacing:0px 20px;
}
#document_content{
	margin-top:10px;
}
#document_content dd{
	margin-left: 10px;
}
#document_content dt{
	overflow: hidden;
}
#document_content dl{
	margin:0px;
}
.document_title{float:left;font-weight: 700;font: bold 16px/25px '微软雅黑';}
.document_title_date{
	margin-left:50px;
	font:normal 12px/20px '微软雅黑';
}
.document_praise{
	width:80px;
	height: 20px;
	margin-top:10px;
	margin-left:10px;
}
.document_praise:hover{
	cursor:pointer;
}
.document_add_praise{
	background:url(../img/ooopic_1506740300.png) no-repeat 0px 0px/20px 20px;
}
.document_minus_praise{
	background:url(../img/ooopic_1506740309.png) no-repeat 0px 0px/20px 20px;
}
.document_praise_text{
	margin-left:25px;
	font-weight: bold;
}
.docuemnt_type{float:right}

hr{
	border:0.5px solid #ccc;
}
#gift{
	margin-top:30px;
}
.nav_title{
	font:15px/25px '微软雅黑';
}
.gift_td{
	border: 1px solid #ccc;
	border-radius: 10px;
	width:100px;
	margin-left:30px;
}

fieldset{
	border:0px;
}
input[type='text'],input[type='password']{
	width:120px;
	height: 25px;
	margin:5px 0px;
}

#userPhoto{
	width:145px;
	height: 145px;
	border:1px solid #ccc;
	margin:5px auto;
	background:url(../img/login_logo.jpg) no-repeat 0px 0px/145px 145px;
	border-radius: 90px;
}
#userOperation{
	width:130px;
	margin:10px auto;
}
#userOperation span{
	border:1px solid #ccc;
	margin:10px auto 20px auto;
}
.userBtn{
	cursor: pointer;padding: 2px;
	border-radius: 3px;;
}
#aside_login_success{
	margin:20px auto 30px auto;
}
